c="fvwm{001y306r-2r3k-465f-9573-13y3dwk7340r}"
#coding:utf-8
import libnum
a = 7
b = 22
#解密方式
e=libnum.invmod(7,26)
flag=''
for i in c:
    if ord(i) >= ord("a") and ord(i) <= ord("z"):
        cha=ord(i)-ord('a')
        flag+=chr((e*(cha-22)%26)+97)
    else:
        flag+=i
print(flag)